Definition of "semiweekly" [sem•i•week•ly]

• Issued or occurring twice a week. (adjective)
• A semiweekly event or publication. (noun)
• Twice weekly. See Usage Note at bi-1. (adverb)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Mr. Katz is the editor of the semiweekly Oriental Economist Alert."
• "SANS NewsBites is a semiweekly high-level executive summary of the most important news articles that have been published on computer security during the last week."
• "One of the most famous editors of the age was Philip Freneau, an ardent Republican and once "penniless young poet," and the publisher of the National Gazette, a semiweekly newspaper."